msi: Constify some variables (1 of 2)

[Andrew Talbot]

Changelog:
    msi: Constify some variables.

diff -urN a/dlls/msi/database.c b/dlls/msi/database.c
--- a/dlls/msi/database.c	2007-04-24 13:26:03.000000000 +0100
+++ b/dlls/msi/database.c	2007-06-02 21:16:50.000000000 +0100
@@ -345,7 +345,7 @@
     return prelude;
 }
 
-static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
+static LPWSTR msi_build_createsql_columns(const LPWSTR *columns_data, const LPWSTR *types, DWORD num_columns)
 {
     LPWSTR columns;
     LPCWSTR type;
@@ -417,7 +417,7 @@
     return columns;
 }
 
-static LPWSTR msi_build_createsql_postlude(LPWSTR *primary_keys, DWORD num_keys)
+static LPWSTR msi_build_createsql_postlude(const LPWSTR *primary_keys, DWORD num_keys)
 {
     LPWSTR postlude, keys, ptr;
     DWORD size, key_size, i;
@@ -454,7 +454,8 @@
     return postlude;
 }
 
-static UINT msi_add_table_to_db(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types, LPWSTR *labels, DWORD num_labels, DWORD num_columns)
+static UINT msi_add_table_to_db(MSIDATABASE *db, const LPWSTR *columns, const LPWSTR *types,
+                                LPWSTR *labels, DWORD num_labels, DWORD num_columns)
 {
     UINT r;
     DWORD size;
@@ -511,7 +512,7 @@
     return prelude;
 }
 
-static LPWSTR msi_build_insertsql_columns(LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
+static LPWSTR msi_build_insertsql_columns(const LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
 {
     LPWSTR columns;
     DWORD sql_size = 1, i;
@@ -544,7 +545,7 @@
     return columns;
 }
 
-static LPWSTR msi_build_insertsql_data(LPWSTR **records, LPWSTR *types, DWORD num_columns, DWORD irec)
+static LPWSTR msi_build_insertsql_data(LPWSTR *const *records, const LPWSTR *types, DWORD num_columns, DWORD irec)
 {
     LPWSTR columns;
     DWORD sql_size = 1, i;
@@ -589,8 +590,8 @@
     return columns;
 }
 
-static UINT msi_add_records_to_table(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types,
-                                     LPWSTR *labels, LPWSTR **records,
+static UINT msi_add_records_to_table(MSIDATABASE *db, const LPWSTR *columns, LPWSTR *types,
+                                     LPWSTR *labels, LPWSTR *const *records,
                                      int num_columns, int num_records)
 {
     MSIQUERY *view;
diff -urN a/dlls/msi/dialog.c b/dlls/msi/dialog.c
--- a/dlls/msi/dialog.c	2007-05-25 23:23:57.000000000 +0100
+++ b/dlls/msi/dialog.c	2007-06-02 21:17:05.000000000 +0100
@@ -164,7 +164,7 @@
 static DWORD uiThreadId;
 static HWND hMsiHiddenWindow;
 
-static INT msi_dialog_scale_unit( msi_dialog *dialog, INT val )
+static INT msi_dialog_scale_unit( const msi_dialog *dialog, INT val )
 {
     return (dialog->scale * val + 5) / 10;
 }
@@ -335,7 +335,7 @@
     return ERROR_SUCCESS;
 }
 
-static msi_font *msi_dialog_find_font( msi_dialog *dialog, LPCWSTR name )
+static msi_font *msi_dialog_find_font( const msi_dialog *dialog, LPCWSTR name )
 {
     msi_font *font;
 
@@ -1256,7 +1256,7 @@
 }
 
 /* now move to the next control if necessary */
-static VOID msi_mask_next_control( struct msi_maskedit_info *info, HWND hWnd )
+static VOID msi_mask_next_control( const struct msi_maskedit_info *info, HWND hWnd )
 {
     HWND hWndNext;
     UINT len, i;
@@ -1553,7 +1553,7 @@
 }
 
 /* FIXME: test when this should fail */
-static BOOL msi_dialog_verify_path( LPWSTR path )
+static BOOL msi_dialog_verify_path( LPCWSTR path )
 {
     if ( !lstrlenW( path ) )
         return FALSE;
@@ -1749,7 +1749,7 @@
 };
 
 static void
-msi_seltree_sync_item_state( HWND hwnd, MSIFEATURE *feature, HTREEITEM hItem )
+msi_seltree_sync_item_state( HWND hwnd, const MSIFEATURE *feature, HTREEITEM hItem )
 {
     TVITEMW tvi;
     DWORD index = feature->Action;
@@ -3066,7 +3066,7 @@
 }
 
 static UINT msi_dialog_get_checkbox_state( msi_dialog *dialog,
-                msi_control *control )
+                const msi_control *control )
 {
     WCHAR state[2] = { 0 };
     DWORD sz = 2;
@@ -3076,7 +3076,7 @@
 }
 
 static void msi_dialog_set_checkbox_state( msi_dialog *dialog,
-                msi_control *control, UINT state )
+                const msi_control *control, UINT state )
 {
     static const WCHAR szState[] = { '1', 0 };
     LPCWSTR val;